[R] bootstrap confidence intervals, non iid

GlenB glnbrntt at gmail.com
Tue Apr 6 10:57:58 CEST 2010

Kay Cichini wrote:
> i need to calculate ci's for each of 4 groups within a dataset, to be able
> to infere about differences in the variable "similarity". the problem is
> that data within groups is dependent, as assigned by the blocking-factor
> "site". my guess was to use a block bootstrap but samples within in these
> blocks / sites are not of same length. i was not able to find a method to
> deal with this -

Have you considered bootstrapping the residuals?

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